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May 25, 2015

Homework Help: Math

Posted by Jon on Wednesday, February 20, 2008 at 11:55am.

Which describes the number and type of roots of the equation x^2-625=0?

A)1 real root, 1 imaginary root
B)2 real roots, 2 imaginary roots
C)2 real roots
D)4 real roots
I went with A

sqrt x^2= x (which would be the imaginary) and sqrt 625= 25 (the real)

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